* [PATCH Resend] Input: ads7846: Add description how to use internal reference (ADS7846)
@ 2016-02-29 7:06 Alexander Stein
[not found] ` <1456729595-32023-1-git-send-email-alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Alexander Stein @ 2016-02-29 7:06 UTC (permalink / raw)
To: Rob Herring, Pawel-ihh4Xogjf8b2iF0jqypphg/WZsTnP+MUkuwNSG5dpIY,
"Moll <pawel.moll", Mark Rutland, Ian Campbell,
Kumar Gala
Cc: Alexander Stein, devicetree-u79uwXL29TY76Z2rM5mHXA
By simply setting vref-mv to 0 the internal reference will be used.
Document that!
Signed-off-by: Alexander Stein <alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
---
Documentation/devicetree/bindings/input/ads7846.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/ads7846.txt b/Documentation/devicetree/bindings/input/ads7846.txt
index 33a1638..c6cfe2e 100644
--- a/Documentation/devicetree/bindings/input/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/ads7846.txt
@@ -29,6 +29,8 @@ Optional properties:
ti,vref-delay-usecs vref supply delay in usecs, 0 for
external vref (u16).
ti,vref-mv The VREF voltage, in millivolts (u16).
+ Set to 0 to use internal refernce
+ (ADS7846).
ti,keep-vref-on set to keep vref on for differential
measurements as well
ti,swap-xy swap x and y axis
--
2.4.10
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-03-03 23:39 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-02-29 7:06 [PATCH Resend] Input: ads7846: Add description how to use internal reference (ADS7846) Alexander Stein
[not found] ` <1456729595-32023-1-git-send-email-alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
2016-03-03 23:39 ` Rob Herring
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox